Members of asparagales
No, woody plants do not lack secondary growth. Secondary growth is the process by which plants increase their girth through the production of secondary tissues such as wood and bark, which woody plants exhibit. This growth allows woody plants to increase in size and longevity.
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The primary growth in vascular plants takes place with the differentiation of vascular tissue from parenchymatous cells and the secondary growth takes place when the intra-vascular and inter vascular cambium adds to the secondary phloem and secondary xylem.
Tomato plants primarily exhibit primary growth, which involves the elongation of stems and roots. However, they can also show limited secondary growth, primarily in the form of thickening of stems due to the activity of the vascular cambium, though this is not as pronounced as in woody plants. This secondary growth allows for increased support and nutrient transport as the plant matures. Overall, while secondary growth occurs, it is not a significant feature of tomato plants compared to their primary growth.
No, mosses do not have secondary growth like vascular plants. They lack the vascular tissues needed for secondary growth, such as xylem and phloem, which are responsible for transporting water and nutrients throughout the plant. Mosses rely on diffusion to transport water and nutrients, limiting their size and complexity.
Herbaceous plants primarily exhibit primary growth but typically lack significant secondary growth. Primary growth allows them to increase in height and produce new leaves and flowers, while secondary growth, which thickens stems and roots, is more characteristic of woody plants. Consequently, herbaceous plants remain relatively soft and non-woody throughout their life cycle.
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In a monocot stem, vascular bundles are scattered throughout the stem. However, because the of the lack of vascular cambium, no secondary growth occurs in the monocot stem. As a result of increased cell size, the monocot stem will only increase in height only.
Abnormal secondary growth in Tinospora root can occur due to various factors such as infection by pathogens like fungi or bacteria, hormonal imbalances, genetic mutations, or environmental stress conditions like fluctuations in temperature or water availability. These factors can disrupt the normal growth patterns and lead to the formation of abnormal tissues or structures in the root.
cells get bigger
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Lack of secondary growth in plants means that the stems do not thicken through the formation of additional vascular tissues, such as xylem and phloem, which typically occurs in woody plants. Instead, these plants may rely on primary growth, which primarily elongates stems and leaves. In some herbaceous plants, the absence of secondary growth can lead to a wider stem base due to the accumulation of water and nutrients within the existing tissues, promoting a more robust stem structure. However, this width is generally limited compared to woody plants with significant secondary growth.